Breast cancer, lactation, and genetics

Post, Richard H.

doi:10.1080/19485565.1982.9988507

Cited by 4 publications

(2 citation statements)

References 43 publications

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“…(BIRTH 17:1, March 1990) Infant feeding experts uniformly agree that human milk provides optimum nutrition during the early months Of life (1)(2)(3). Breastfeeding is promoted as a early weaning worldwide is insufficient milk (5)(6)(7). Numerous reports of critical malnutrition, hypernatremic dehydration, and severe failure to thrive among breastfed infants (8-11) offset claims by some that insufficient milk is more often "perceived" than real (12,13).…”

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confidence: 98%

The Influence of Breast Surgery, Breast Appearance, and Pregnancy‐Induced Breast Changes on lactation Sufficiency as Measured by Infant Weight Gain

Neifert

DeMarzo

Seacat

et al. 1990

Birth

125

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We conducted a prospective study of the associations between several biologic and surgical breast factors and the onset of lactation in 319 healthy, motivated, primiparous women who were breastfeeding term, healthy, appropriate for gestational age or large for gestational age infants. During the last trimester of pregnancy subjects' breasts were examined for surgical incisions, size, symmetry, and nipple protuberance, and women estimated their prenatal breast enlargement. At two visits in the first two weeks postpartum, infants were weighted naked, and mothers reported the magnitude of postpartum breast engorgement when their milk came in. Breastfeeding was evaluated at each visit, and interventions were recommended for problems, with emphasis on maximizing milk yield. Lactation was deemed sufficient when an exclusively breastfed infant achieved an average weight gain of 28.5 g or more per day between the two visits. Infants gaining less than 28.5 g per day with breast milk exclusively, and those requiring formula supplement returned for a third visit at or before 21 days of age, when final lactation outcome was assessed based on weight gain between the second and third visits. Within three weeks postpartum 85 percent of the mothers achieved sufficient lactation, whereas 15 percent had persistent milk insufficiency despite intensive intervention. Of the study population, 6.9 percent had undergone previous breast surgery. Women with periareolar breast incisions were nearly 5 times more likely to have lactation insufficiency than were those without surgery (relative risk [RR] = 4.55; 95 percent confidence interval [CI] = 2.21-9.43; P less than 0.001). Insufficient lactation was significantly associated with minimal prenatal breast enlargement (P less than 0.02) and minimal postpartum breast engorgement when milk came in (P less than 0.001). Although not statistically significant, women with inverted nipples were more likely to have lactation insufficiency compared with those with normal nipples (RR = 2.94; 95% CI 1.05-8.20; P = .07). The findings from this study indicate that certain biologic and surgical breast variables are associated with lactation insufficiency.

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mentioning

confidence: 98%

The Influence of Breast Surgery, Breast Appearance, and Pregnancy‐Induced Breast Changes on lactation Sufficiency as Measured by Infant Weight Gain

Neifert

DeMarzo

Seacat

et al. 1990

Birth

125

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“…Therefore, infants fed formula in the early period were likely to constitute a highly selected group. Historically, Japan had virtually no milk-producing domestic animals until the 1860s, and no dairies or mass consumption until about 1910 or later [30,40]. Condensed cow's milk with added sugar had been used as formula milk in the early period [28][29][30].…”

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Being breastfed in infancy and adult breast cancer risk among Japanese women

Minami

Nishino

Kawai

et al. 2011

Cancer Causes Control

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Although having been breastfed is not related to overall risk, birth year may modify the association between having been breastfed in infancy and breast cancer risk. In Japan, sociodemographic changes have occurred since the end of World War II. The use of standard formula supplement began to spread around 1950. The difference of breast cancer risk between birth-year groups may be attributable to these environmental changes.

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The Unique Association Between Salivary Gland Cancer and Breast Cancer

Berg¹

1968

JAMA

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Breast cancer, lactation, and genetics

Cited by 4 publications

References 43 publications

The Influence of Breast Surgery, Breast Appearance, and Pregnancy‐Induced Breast Changes on lactation Sufficiency as Measured by Infant Weight Gain

The Influence of Breast Surgery, Breast Appearance, and Pregnancy‐Induced Breast Changes on lactation Sufficiency as Measured by Infant Weight Gain

Being breastfed in infancy and adult breast cancer risk among Japanese women

The Unique Association Between Salivary Gland Cancer and Breast Cancer

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